104 lines
2.9 KiB
C#
104 lines
2.9 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Threading;
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using dnSpy.Debugger.DotNet.CorDebug.Native;
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namespace dnSpy.Debugger.DotNet.CorDebug.Dialogs.AttachToProcess {
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static class DebuggableProcesses {
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static readonly int currentProcessId = Process.GetCurrentProcess().Id;
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public static IEnumerable<Process> GetProcesses(int[] processIds, Func<Process, bool>? isValidProcess, CancellationToken cancellationToken) {
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var processes = GetProcesses(processIds);
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try {
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foreach (var process in processes) {
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cancellationToken.ThrowIfCancellationRequested();
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int pid;
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try {
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pid = process.Id;
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}
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catch {
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continue;
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}
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if (pid == currentProcessId)
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continue;
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// Prevent slow exceptions by filtering out processes we can't access
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using (var fh = NativeMethods.OpenProcess(NativeMethods.PROCESS_ALL_ACCESS, false, (uint)process.Id)) {
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if (fh.IsInvalid)
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continue;
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}
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if (Environment.Is64BitOperatingSystem) {
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try {
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if (NativeMethods.IsWow64Process(process.Handle, out bool isWow64Process)) {
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if ((IntPtr.Size == 4) != isWow64Process)
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continue;
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}
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}
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catch (InvalidOperationException) {
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continue;
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}
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}
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if (process.HasExited)
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continue;
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if (isValidProcess is not null) {
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if (!isValidProcess(process) || process.HasExited)
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continue;
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}
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yield return process;
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}
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}
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finally {
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foreach (var p in processes)
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p.Dispose();
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}
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}
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static Process[] GetProcesses(int[] processIds) {
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if (processIds.Length == 0)
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return Process.GetProcesses();
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var processes = new Process[processIds.Length];
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try {
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int w = 0;
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for (int i = 0; i < processIds.Length; i++) {
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try {
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processes[w] = Process.GetProcessById(processIds[i]);
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}
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catch (InvalidOperationException) {
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continue;
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}
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catch (ArgumentException) {
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continue;
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}
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w++;
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}
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if (w != processes.Length)
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Array.Resize(ref processes, w);
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return processes;
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}
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catch {
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foreach (var p in processes)
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p?.Dispose();
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throw;
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}
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}
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}
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}
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